In 1920, the United States led the world in iron and steel manufacturing.

美国的钢铁制造业在1920年领先于世界。

《柯林斯英汉双解大词典》

Nearly 80% of the iron ore produced around the world is sold to China's steel mills.

中国的铁矿石进口量占铁矿石全球贸易量的80%。

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But with the world steel industry deep in the doldrums, who needed iron ore carries?

世界钢铁工业很不景气，谁还需要这些铁矿砂船呢？

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William Le Baron Jenney, the architect who constructed the world's first iron-and-steel-framed building in the 1880s, set up shop in Chicago, training a crop of architects that pushed the city skyward through internal frames.

BBC: The infamous architecture of Chicago

EU. For him, the Union is fundamentally an old-world structure originating in old industries (coal, iron, steel and food) and old ideas involving huge regulatory institutions.

ECONOMIST: Europe and America

The World Steel Association, a steelmakers' group, predicted early this month that the iron-ore market should stay balanced this year before moving into progressive surplus between 2014 and 2017 as new mine capacity comes on stream.

WSJ: Court Eases Mining Ban in Karnataka